chore: Enhance OpenAPI documentation by adding required field formatting and providing a description for the bearerAuth security scheme.

Author: skeptrunedev

discovery-openapi.json

@@ -523,7 +523,9 @@
             "application/json": {
               "schema": {
                 "type": "object",
-                "required": ["query"],
+                "required": [
+                  "query"
+                ],
                 "properties": {
                   "query": {
                     "type": "string",
@@ -589,7 +591,8 @@
     "securitySchemes": {
       "bearerAuth": {
         "type": "http",
-        "scheme": "bearer"
+        "scheme": "bearer",
+        "description": "The Authorization header expects a Bearer token. See the [Assistant API Key documentation](/api-reference/introduction#assistant-api-key) for details on how to get your API key."
       }
     }
   }